kirbymex.com

Valid Email Server
Domain Lookup › kirbymex.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kirbymex.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 14:49:45 UTC · ↺ Refresh

MX Hostnames

  • d333297b.ess.barracudanetworks.com
  • d333297a.ess.barracudanetworks.com

MX Priorities

  • d333297b.ess.barracudanetworks.com: 10
  • d333297a.ess.barracudanetworks.com: 0

A / AAAA Records

  • 70.35.206.215 (no PTR)

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns17.domaincontrol.com dns.jomax.net 2026040107 28800 7200 604800 600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026040107
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns17.domaincontrol.com
ns18.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:relay.mailchannels.net include:_spf.hostedemail.com include:_spf.google.com include:mxroute.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:relay.mailchannels.net include:_spf.hostedemail.com include:_spf.google.com include:mxroute.com ~all
  • brevo-code:aeffa08e17cc2246bbc5912a6e1d6b9e
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